Hello,
Since years I am in this field and every work assigned to me has been fulfilled by me, as per the client's specification.
I have proficiency in the field and would request you to kindly consider me for this profile.
I can make few article free for you, so that you may first get comfortable in seeing my work.
I want long term professional relation, this is why every single project undertaken by me is delivered to the client with all the guidelines mentioned by them.
Please consider me for the job.